1976 09 - daily  - mean of NCEP mean Daily Downward Longwave Radiation Flux at surface, W/m^2.
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
0	Pan Arctic	280.8	283.9	282.7	281.2	280.9	281.1	277.8	275.1	274.7	275.6	273.8	274.6	274.9	274.7	276.4	277.9	275.0	267.7	264.7	260.5	257.6	255.4	254.8	255.5	255.4	251.8	251.5	254.2	249.9	247.1	-9999.0
34	Hudson Bay	274.6	285.7	301.8	296.2	303.6	315.8	321.1	303.5	293.2	297.6	293.1	299.1	289.6	271.4	280.8	301.1	313.7	316.1	288.3	272.4	267.7	262.3	250.6	252.9	264.2	251.8	257.1	289.4	277.3	287.0	-9999.0
36	Hudson Strait	256.7	261.9	260.0	242.8	237.2	246.8	248.4	257.7	301.5	297.3	299.5	291.9	259.7	246.0	260.0	260.2	280.7	247.8	285.0	261.2	257.1	248.4	263.5	244.1	252.8	256.3	239.5	239.0	248.0	242.2	-9999.0
98	Bering Strait	281.0	276.3	273.8	270.4	254.9	254.7	267.6	280.0	270.5	258.7	254.7	258.5	262.3	285.8	281.2	260.1	258.6	267.0	288.4	276.3	279.7	283.3	261.3	253.5	288.7	274.0	262.6	279.1	258.8	251.9	-9999.0
128	Arctic subocean	260.8	219.1	203.1	198.3	212.9	220.0	232.3	235.8	225.0	203.4	211.1	215.7	211.7	206.6	203.9	192.5	176.3	181.1	194.9	210.5	191.2	190.4	212.5	227.1	185.6	171.8	180.7	191.8	177.8	166.5	-9999.0
130	Chukchi Sea	286.2	280.5	248.3	247.1	262.7	268.4	262.4	262.8	247.0	263.8	269.7	271.7	264.8	269.9	269.4	269.8	262.3	248.6	268.2	262.1	284.3	253.1	272.6	262.3	270.1	262.2	258.4	250.4	261.8	272.8	-9999.0
132	Beaufort Sea	299.2	295.4	282.4	283.6	285.7	277.1	264.2	264.8	291.8	279.1	259.2	258.1	267.4	300.7	293.4	278.8	271.5	261.9	286.9	287.2	286.1	276.2	282.1	288.7	290.2	302.8	306.1	290.5	296.6	255.7	-9999.0
134	Arctic Archipelago	243.6	254.1	259.5	261.4	260.0	259.6	259.4	252.5	246.0	235.0	229.3	227.9	224.2	215.0	235.4	248.9	232.8	228.5	227.6	230.4	217.4	205.9	227.8	239.4	232.3	231.4	240.7	218.7	223.9	236.8	-9999.0
136	Foxe Basin	226.1	229.2	243.3	252.0	266.9	259.6	255.5	274.5	300.3	268.2	276.7	255.2	261.7	251.7	244.2	240.7	219.0	220.4	223.0	237.8	250.2	253.3	248.3	243.7	261.8	240.4	239.3	232.0	210.3	212.6	-9999.0
138	Baffin Bay	219.1	230.0	217.8	198.7	189.6	190.0	190.4	194.3	189.9	223.4	231.9	221.6	225.1	211.6	211.4	205.5	198.0	203.0	200.3	210.2	194.3	216.1	245.8	229.6	213.2	208.1	208.8	192.8	172.8	173.5	-9999.0
139	South Greenland	249.4	255.2	235.1	225.0	215.4	202.4	186.9	185.3	193.0	244.0	257.9	246.9	257.1	261.9	256.3	246.6	250.0	230.2	233.4	217.8	229.4	240.2	241.9	238.6	208.0	210.0	205.5	203.5	197.3	236.7	-9999.0
140	Greenland Sea	218.2	206.7	198.9	196.7	216.7	208.4	194.1	181.8	176.4	172.8	191.5	189.4	192.0	204.8	200.5	197.0	197.0	193.3	190.4	195.4	178.5	187.1	214.4	217.1	191.2	164.3	173.4	162.7	162.1	172.6	-9999.0
142	Norwegian Sea	282.9	275.2	271.5	267.1	290.6	300.2	270.7	260.2	256.8	280.9	280.2	263.4	274.8	265.1	261.3	267.6	273.9	276.9	288.0	282.8	279.2	272.6	276.4	273.7	276.0	263.2	251.6	234.2	237.7	272.2	-9999.0
144	Barents Sea	323.3	319.3	310.7	315.2	300.2	283.5	290.1	295.3	292.6	277.1	291.0	304.0	309.2	298.9	308.1	294.9	259.0	261.8	249.1	277.4	269.8	282.5	264.8	250.9	264.0	264.9	261.0	256.4	245.7	256.8	-9999.0
146	Kara Sea	286.5	294.9	293.8	298.0	302.4	306.9	302.7	299.1	300.0	302.5	295.1	294.3	296.4	293.6	291.8	294.2	287.6	273.6	273.0	273.8	268.5	257.3	254.5	259.4	259.5	260.2	255.4	258.5	260.7	254.6	-9999.0
148	Laptev Sea	300.1	300.2	298.6	292.2	285.1	279.9	270.1	273.7	275.3	272.4	270.0	271.0	274.3	280.1	283.6	288.4	287.6	276.7	258.0	237.9	245.4	254.3	259.9	259.1	248.2	238.1	240.5	241.5	240.7	232.3	-9999.0
150	East Siberian Sea	280.2	278.1	285.2	296.9	296.5	302.3	288.7	267.2	244.2	245.2	261.7	272.6	254.4	239.8	245.9	263.6	277.1	265.1	265.2	266.0	254.9	246.6	241.3	237.6	235.8	240.4	248.8	245.8	238.9	226.1	-9999.0
152	Gulf of Alaska	276.5	268.2	283.3	274.6	250.6	248.9	272.3	301.2	282.2	265.6	276.9	272.8	292.7	295.5	292.5	275.0	272.0	290.9	299.5	298.8	291.2	290.2	261.4	286.3	302.5	288.2	272.4	296.3	242.2	240.3	-9999.0
154	Southeast Bering Sea	297.5	292.4	285.6	255.9	264.5	267.5	288.6	297.0	267.1	290.9	285.1	289.8	299.0	301.9	284.9	281.1	286.5	286.2	278.2	279.0	269.5	298.0	281.8	291.7	298.7	292.2	299.7	299.0	264.7	254.8	-9999.0